diff --git a/tempest/api/compute/admin/test_flavors.py b/tempest/api/compute/admin/test_flavors.py
index 69e15f7..5f31084 100644
--- a/tempest/api/compute/admin/test_flavors.py
+++ b/tempest/api/compute/admin/test_flavors.py
@@ -288,7 +288,7 @@
                 r, flavors = self.client.list_flavors_with_detail(params)
                 self.assertEqual(r.status, 200)
                 flavor = _flavor_lookup(flavors, flavor_name)
-                self.assertNotEqual(flavor, None)
+                self.assertIsNotNone(flavor)
 
         _test_string_variations(['f', 'false', 'no', '0'],
                                 flavor_name_not_public)
diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
index 893d9e0..25df6e6 100644
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -225,7 +225,7 @@
             resp, output = self.servers_client.get_console_output(
                 self.server_id, 10)
             self.assertEqual(200, resp.status)
-            self.assertNotEqual(output, None)
+            self.assertIsNotNone(output)
             lines = len(output.split('\n'))
             self.assertEqual(lines, 10)
         self.wait_for(get_output)
@@ -249,7 +249,7 @@
         resp, output = self.servers_client.get_console_output(self.server_id,
                                                               10)
         self.assertEqual(200, resp.status)
-        self.assertNotEqual(output, None)
+        self.assertIsNotNone(output)
         lines = len(output.split('\n'))
         self.assertEqual(lines, 10)
 
diff --git a/tempest/api/compute/servers/test_virtual_interfaces.py b/tempest/api/compute/servers/test_virtual_interfaces.py
index 2a5be8c..e5ea30e 100644
--- a/tempest/api/compute/servers/test_virtual_interfaces.py
+++ b/tempest/api/compute/servers/test_virtual_interfaces.py
@@ -45,7 +45,7 @@
         # for a given server_id
         resp, output = self.client.list_virtual_interfaces(self.server_id)
         self.assertEqual(200, resp.status)
-        self.assertNotEqual(output, None)
+        self.assertIsNotNone(output)
         virt_ifaces = output
         self.assertNotEqual(0, len(virt_ifaces['virtual_interfaces']),
                             'Expected virtual interfaces, got 0 interfaces.')